Home / 155,060,424.72-213,984,821.16-85,448,296.80

Finding the Fourth Proportional to 155,060,424.72, 213,984,821.16 and 85,448,296.80

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Solution

The fourth proportional to 155,060,424.72, 213,984,821.16 and 85,448,296.80 is: 117,919,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,060,424.72 : 213,984,821.16 = 85,448,296.80 : x
  2. Step 2: Convert to fraction form
    155,060,424.72/213,984,821.16 = 85,448,296.80/x
  3. Step 3: Cross multiply
    155,060,424.72x = 213,984,821.16 × 85,448,296.80
  4. Step 4: Simplify right side
    155,060,424.72x = 18,284,638,509,174,600
  5. Step 5: Solve for x
    x = 18,284,638,509,174,600/155,060,424.72
  6. Step 6: Final answer
    x = 117,919,440.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.